Interestingly, I have recently (last fall) been asked to do some
preliminary research on North Creek, NY, where Theodore Roosevelt read
the telegram that President William McKinley, shot nine days prior in
Buffalo, NY, had died. He had been transported through the night down
from Tahawas Club (Mt. Marcy's other name) on a series of jitneys, and
then onto a special train from there to Buffalo, NY.

During it's early years, as a series of tanneries, it became a
rail-head, built by the same people who built the U.S.
transcontinental railroad, though plans for further rail expansion
stopped, until WWII, when titanium was mined out of the former
titaniferous magnetite ores at the foot of Mt. Marcy where the 19th c.
McIntyre Iron works are, and currently the State of New York has
granted funds for work on fixing up and interpreting the village of
"Adirondac" and iron works, as the huge titanium works sits silent.
(Bong recently made a deal with Russia's largest producer, Russia's
fleet overwintered in NYC and San Francisco during the Civil War) Ore,
once taken by horse, then trucks and then the railroad (c. 1944) in
the 20th century, came through North Creek, NY. In the 19th century,
large garnet deposits were mined nearby and they too were taken out on
rail along with the upwards of 10,000 hides tanned there until the
hemlock trees ran out. Across the river, in Minerva, NY and Irishtown
(started as "Dominick"), there were once other mine works.

There were certain recorded goings on with the titaniferous (3%?)
magnetite which metallurgists were interested in at other foundries
and I think, from the newspaper records on line from the "North
Country" (mostly in this case the Saratoga Springs, Lake George, NY
papers) which once considered to be a detriment to iron production has
become a sought after resource. Perhaps it might help in the analysis
of slags in the Adirondacks and elsewhere.

Once, before the American Revolution it's reported, the magnetite ores
from the lower Connecticut River and elsewhere were gathered by and
forged and found an only rival in quality to Swedish produced iron.
They washed down during glaciation and often mixed interstitially in
beach sand. Nearby the William Floyd Manor, the first signer of the
"Declaration of Independence" in New York State (fourth in all I think
it's reported) is the Forge River in Mastic next to the  Unkechauge
Nation Community in Suffolk County, Mastic New York, on 60 acres. I
wonder often if and where and what the forge on Forge River was.